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Answers.everydaycalculation.com » Compare fractions

Compare 84/80 and 90/45

1st number: 1 4/80, 2nd number: 2 0/45

84/80 is smaller than 90/45

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    84/80 = 84 × 9/80 × 9 = 756/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    90/45 = 90 × 16/45 × 16 = 1440/720
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 756/720 < 1440/720 or 84/80 < 90/45

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